Adding the base patch for Exynos based SMDK5420. This shall enable compilation and basic boot support for SMDK5420.
Signed-off-by: Rajeshwari S Shinde rajeshwari.s@samsung.com Signed-off-by: Akshay Saraswat akshay.s@samsung.com --- Changes in V2: - None Changes in V3: - None Changes in V4: - Rebased on latest u-boot-samsung tree. board/samsung/common/board.c | 2 + board/samsung/smdk5420/Makefile | 34 +++++ board/samsung/smdk5420/smdk5420.c | 253 ++++++++++++++++++++++++++++++++++ board/samsung/smdk5420/smdk5420_spl.c | 52 +++++++ boards.cfg | 1 + tools/Makefile | 2 + 6 files changed, 344 insertions(+) create mode 100644 board/samsung/smdk5420/Makefile create mode 100644 board/samsung/smdk5420/smdk5420.c create mode 100644 board/samsung/smdk5420/smdk5420_spl.c
diff --git a/board/samsung/common/board.c b/board/samsung/common/board.c index 7193c90..ce85ddb 100644 --- a/board/samsung/common/board.c +++ b/board/samsung/common/board.c @@ -139,6 +139,7 @@ struct cros_ec_dev *board_get_cros_ec_dev(void) return local.cros_ec_dev; }
+#ifdef CONFIG_CROS_EC static int board_init_cros_ec_devices(const void *blob) { local.cros_ec_err = cros_ec_init(blob, &local.cros_ec_dev); @@ -147,6 +148,7 @@ static int board_init_cros_ec_devices(const void *blob)
return 0; } +#endif
#if defined(CONFIG_POWER) #ifdef CONFIG_POWER_MAX77686 diff --git a/board/samsung/smdk5420/Makefile b/board/samsung/smdk5420/Makefile new file mode 100644 index 0000000..be538ec --- /dev/null +++ b/board/samsung/smdk5420/Makefile @@ -0,0 +1,34 @@ +# +# Copyright (C) 2013 Samsung Electronics +# +# SPDX-License-Identifier: GPL-2.0+ +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +COBJS += smdk5420_spl.o + +ifndef CONFIG_SPL_BUILD +COBJS += smdk5420.o +endif + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) + +ALL := $(obj).depend $(LIB) + +all: $(ALL) + +$(LIB): $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/samsung/smdk5420/smdk5420.c b/board/samsung/smdk5420/smdk5420.c new file mode 100644 index 0000000..cf76455 --- /dev/null +++ b/board/samsung/smdk5420/smdk5420.c @@ -0,0 +1,253 @@ +/* + * Copyright (C) 2013 Samsung Electronics + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <fdtdec.h> +#include <asm/io.h> +#include <i2c.h> +#include <lcd.h> +#include <netdev.h> +#include <spi.h> +#include <asm/arch/board.h> +#include <asm/arch/cpu.h> +#include <asm/arch/dwmmc.h> +#include <asm/arch/gpio.h> +#include <asm/arch/mmc.h> +#include <asm/arch/pinmux.h> +#include <asm/arch/sromc.h> +#include <asm/arch/dp_info.h> +#include <power/pmic.h> + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_USB_EHCI_EXYNOS +static int board_usb_vbus_init(void) +{ + struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *) + samsung_get_base_gpio_part1(); + + /* Enable VBUS power switch */ + s5p_gpio_direction_output(&gpio1->x2, 6, 1); + + /* VBUS turn ON time */ + mdelay(3); + + return 0; +} +#endif + +int exynos_init(void) +{ +#ifdef CONFIG_USB_EHCI_EXYNOS + board_usb_vbus_init(); +#endif + return 0; +} + +static int decode_sromc(const void *blob, struct fdt_sromc *config) +{ + int err; + int node; + + node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS5_SROMC); + if (node < 0) { + debug("Could not find SROMC node\n"); + return node; + } + + config->bank = fdtdec_get_int(blob, node, "bank", 0); + config->width = fdtdec_get_int(blob, node, "width", 2); + + err = fdtdec_get_int_array(blob, node, "srom-timing", config->timing, + FDT_SROM_TIMING_COUNT); + if (err < 0) { + debug("Could not decode SROMC configuration Error: %s\n", + fdt_strerror(err)); + return -FDT_ERR_NOTFOUND; + } + return 0; +} + +int board_eth_init(bd_t *bis) +{ +#ifdef CONFIG_SMC911X + u32 smc_bw_conf, smc_bc_conf; + struct fdt_sromc config; + fdt_addr_t base_addr; + int node; + + node = decode_sromc(gd->fdt_blob, &config); + if (node < 0) { + debug("%s: Could not find sromc configuration\n", __func__); + return 0; + } + node = fdtdec_next_compatible(gd->fdt_blob, node, COMPAT_SMSC_LAN9215); + if (node < 0) { + debug("%s: Could not find lan9215 configuration\n", __func__); + return 0; + } + + /* We now have a node, so any problems from now on are errors */ + base_addr = fdtdec_get_addr(gd->fdt_blob, node, "reg"); + if (base_addr == FDT_ADDR_T_NONE) { + debug("%s: Could not find lan9215 address\n", __func__); + return -1; + } + + /* Ethernet needs data bus width of 16 bits */ + if (config.width != 2) { + debug("%s: Unsupported bus width %d\n", __func__, + config.width); + return -1; + } + smc_bw_conf = SROMC_DATA16_WIDTH(config.bank) + | SROMC_BYTE_ENABLE(config.bank); + + smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS]) | + SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) | + SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) | + SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) | + SROMC_BC_TAH(config.timing[FDT_SROM_TAH]) | + SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) | + SROMC_BC_PMC(config.timing[FDT_SROM_PMC]); + + /* Select and configure the SROMC bank */ + exynos_pinmux_config(PERIPH_ID_SROMC, config.bank); + s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf); + return smc911x_initialize(0, base_addr); +#endif + return 0; +} + +#ifdef CONFIG_GENERIC_MMC +int board_mmc_init(bd_t *bis) +{ + int ret; + + /* dwmmc initializattion for available channels */ + ret = exynos_dwmmc_init(gd->fdt_blob); + if (ret) + debug("dwmmc init failed\n"); + + return ret; +} +#endif + +#ifdef CONFIG_LCD +void cfg_lcd_gpio(void) +{ + struct exynos5_gpio_part1 *gpio1 = + (struct exynos5_gpio_part1 *)samsung_get_base_gpio_part1(); + + /* For Backlight */ + s5p_gpio_cfg_pin(&gpio1->b2, 0, GPIO_OUTPUT); + s5p_gpio_set_value(&gpio1->b2, 0, 1); + + /* LCD power on */ + s5p_gpio_cfg_pin(&gpio1->x1, 5, GPIO_OUTPUT); + s5p_gpio_set_value(&gpio1->x1, 5, 1); + + /* Set Hotplug detect for DP */ + s5p_gpio_cfg_pin(&gpio1->x0, 7, GPIO_FUNC(0x3)); +} + +vidinfo_t panel_info = { + .vl_freq = 60, + .vl_col = 2560, + .vl_row = 1600, + .vl_width = 2560, + .vl_height = 1600, + .vl_clkp = CONFIG_SYS_LOW, + .vl_hsp = CONFIG_SYS_LOW, + .vl_vsp = CONFIG_SYS_LOW, + .vl_dp = CONFIG_SYS_LOW, + .vl_bpix = 4, /* LCD_BPP = 2^4, for output conosle on LCD */ + + /* wDP panel timing infomation */ + .vl_hspw = 32, + .vl_hbpd = 80, + .vl_hfpd = 48, + + .vl_vspw = 6, + .vl_vbpd = 37, + .vl_vfpd = 3, + .vl_cmd_allow_len = 0xf, + + .win_id = 3, + .cfg_gpio = cfg_lcd_gpio, + .backlight_on = NULL, + .lcd_power_on = NULL, + .reset_lcd = NULL, + .dual_lcd_enabled = 0, + + .init_delay = 0, + .power_on_delay = 0, + .reset_delay = 0, + .interface_mode = FIMD_RGB_INTERFACE, + .dp_enabled = 1, +}; + +static struct edp_device_info edp_info = { + .disp_info = { + .h_res = 2560, + .h_sync_width = 32, + .h_back_porch = 80, + .h_front_porch = 48, + .v_res = 1600, + .v_sync_width = 6, + .v_back_porch = 37, + .v_front_porch = 3, + .v_sync_rate = 60, + }, + .lt_info = { + .lt_status = DP_LT_NONE, + }, + .video_info = { + .master_mode = 0, + .bist_mode = DP_DISABLE, + .bist_pattern = NO_PATTERN, + .h_sync_polarity = 0, + .v_sync_polarity = 0, + .interlaced = 0, + .color_space = COLOR_RGB, + .dynamic_range = VESA, + .ycbcr_coeff = COLOR_YCBCR601, + .color_depth = COLOR_8, + }, +}; + +static struct exynos_dp_platform_data dp_platform_data = { + .phy_enable = set_dp_phy_ctrl, + .edp_dev_info = &edp_info, +}; + +void init_panel_info(vidinfo_t *vid) +{ + vid->rgb_mode = MODE_RGB_P, + + exynos_set_dp_platform_data(&dp_platform_data); +} +#endif + +int board_get_revision(void) +{ + return 0; +} + +#ifdef CONFIG_DISPLAY_BOARDINFO +int checkboard(void) +{ + const char *board_name; + + board_name = fdt_getprop(gd->fdt_blob, 0, "model", NULL); + if (board_name == NULL) + printf("\nUnknown Board\n"); + else + printf("\nBoard: %s\n", board_name); + + return 0; +} +#endif diff --git a/board/samsung/smdk5420/smdk5420_spl.c b/board/samsung/smdk5420/smdk5420_spl.c new file mode 100644 index 0000000..73359f7 --- /dev/null +++ b/board/samsung/smdk5420/smdk5420_spl.c @@ -0,0 +1,52 @@ +/* + * Copyright (C) 2013 The Chromium OS Authors. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/cpu.h> +#include <asm/arch/spl.h> +#include <asm/arch/clk.h> + +#define SIGNATURE 0xdeadbeef + +/* Parameters of early board initialization in SPL */ +static struct spl_machine_param machine_param + __attribute__((section(".machine_param"))) = { + .signature = SIGNATURE, + .version = 1, + .params = "vmubfasirM", + .size = sizeof(machine_param), + + .mem_iv_size = 0x1f, + .mem_type = DDR_MODE_DDR3, + + /* + * Set uboot_size to 0x100000 bytes. + * + * This is an overly conservative value chosen to accommodate all + * possible U-Boot image. You are advised to set this value to a + * smaller realistic size via scripts that modifies the .machine_param + * section of output U-Boot image. + */ + .uboot_size = 0x100000, + + .boot_source = BOOT_MODE_OM, + .frequency_mhz = 800, + .arm_freq_mhz = 900, + .serial_base = 0x12c30000, + .i2c_base = 0x12c60000, + .mem_manuf = MEM_MANUF_SAMSUNG, +}; + +struct spl_machine_param *spl_get_machine_params(void) +{ + if (machine_param.signature != SIGNATURE) { + /* Will hang if SIGNATURE dont match */ + while (1) + ; + } + + return &machine_param; +} diff --git a/boards.cfg b/boards.cfg index e6cc56e..7003e84 100644 --- a/boards.cfg +++ b/boards.cfg @@ -269,6 +269,7 @@ Active arm armv7 exynos samsung arndale Active arm armv7 exynos samsung origen origen - Chander Kashyap k.chander@samsung.com Active arm armv7 exynos samsung smdk5250 smdk5250 - Chander Kashyap k.chander@samsung.com Active arm armv7 exynos samsung smdk5250 snow - Rajeshwari Shinde rajeshwari.s@samsung.com +Active arm armv7 exynos samsung smdk5420 smdk5420 - Rajeshwari Shinde rajeshwari.s@samsung.com Active arm armv7 exynos samsung smdkv310 smdkv310 - Chander Kashyap k.chander@samsung.com Active arm armv7 exynos samsung trats trats - Lukasz Majewski l.majewski@samsung.com Active arm armv7 exynos samsung trats2 trats2 - Piotr Wilczek p.wilczek@samsung.com diff --git a/tools/Makefile b/tools/Makefile index c36cde2..b257f36 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -53,6 +53,7 @@ BIN_FILES-$(CONFIG_XWAY_SWAP_BYTES) += xway-swap-bytes$(SFX) BIN_FILES-y += mkenvimage$(SFX) BIN_FILES-y += mkimage$(SFX) BIN_FILES-$(CONFIG_EXYNOS5250) += mk$(BOARD)spl$(SFX) +BIN_FILES-$(CONFIG_EXYNOS5420) += mk$(BOARD)spl$(SFX) BIN_FILES-$(CONFIG_MX23) += mxsboot$(SFX) BIN_FILES-$(CONFIG_MX28) += mxsboot$(SFX) BIN_FILES-$(CONFIG_NETCONSOLE) += ncb$(SFX) @@ -88,6 +89,7 @@ OBJ_FILES-$(CONFIG_BUILD_ENVCRC) += envcrc.o OBJ_FILES-$(CONFIG_CMD_LOADS) += img2srec.o OBJ_FILES-$(CONFIG_CMD_NET) += gen_eth_addr.o OBJ_FILES-$(CONFIG_EXYNOS5250) += mkexynosspl.o +OBJ_FILES-$(CONFIG_EXYNOS5420) += mkexynosspl.o OBJ_FILES-$(CONFIG_KIRKWOOD) += kwboot.o OBJ_FILES-$(CONFIG_LCD_LOGO) += bmp_logo.o OBJ_FILES-$(CONFIG_MX23) += mxsboot.o